Tagged Questions

Power management refers to the capability of a computer or its operating system to regulate its power usage. This can help achieve cooler and quieter operation, longer-lasting electrical components, and for laptops, longer battery life.

I recently bought a new 3.5" USB external hard drive which I thought had a power save feature on it, but it turns out that it doesn't. So whether it's being used or not, it spins, which wouldn't be a ...

I just bought a new computer (Lenovo Yoga 13, with integrated graphics and SSD).
Whenever I bring it out of sleep, or do something resource-intensive (such as heavy Photoshop work), I hear a scratchy ...

My Dell Latitude XT tablet PC display (touchscreen) won't turn off when inactive. The hard drive on this laptop died, so I installed a new hard drive. Both the old and new hard drives use(d) Windows ...

I am looking for a mechanism to dynamically disable cores in Linux in order to minimize power consumption.
Unfortunately, disabling cores using the following simple approach actually increases power, ...

I've an old Dell Latitude laptop that I've converted to CentOS 6.5. As this is going to work like a server (i.e. no one will use it directly) I've changed from UI the power management option to ignore ...

I have a Linux server (Ubuntu 12.04.03) which serves as the internet gateway for our LAN of about 15 PCs. That is, eth0 on the Linux server is the Internet, and eth1 plugs into an unmanaged switch (a ...

If I delete a file on HD 1, and HD 2 is sleeping (power down), windows spins it up for some reason. I'm using the regular recyle bin.
Turning off the recycle bin for all partitions on HD 2 won't help ...

I have a question regarding Windows 7.
I have set different values for the screen brightness when on battery and when on AC power (in the power plan settings). If I manually change the brightness of ...

I have purchased my first laptop recently. But, the problem is many times I forgot to connect it to power supply. Due, to which all of my battery get exhausted and I get warning when it is only 10% ...

My power managment profiles has vaporized I cannot edit them, delete or make new ones cause every new one is copy of the existing which is corrupted. I found out that there is tool called power.cfg ...

If my screen turns off due to power saving settings in Windows 8 the PC gets locked also. Is there a way to delay the locking another minute? I have no screen saver set (where the lock setting would ...

I've been getting coil whine since switching to a new PSU, and I'm worried about power stepping affecting my SSD RAID0 performance, so I did some reading and decided I needed to disable some C-States.
...

I've got a Samsung Series 5 laptop running Windows 7 SP1 Home Premium, fully patched.
It used to wake up from sleep by opening the lid, when I would put it to sleep by closing the lid. Unfortunately ...

I have this external hard drive for my cloud; and it constantly spins down. I do want it to do so. How do I disable this at the hardware level? I am able to disable this on my seagate drives at the ...

According to CPUID CPU-Z and Windows Vista resource monitor the AMD Sempron 3500+ (1800MHz) in this Packard Bell Easynote SJ51 is never clocking higher than it's lowest speed. It's running at 52C so ...

Running "powercfg -energy" under Windows 7 command line, I received a report with following three errors:
System Availability Requests:Away Mode Request
The program has made a request to enable Away ...

When I send WoL packets over my network the specified boxes tend to wake up the first time I send the packet each day, but if I turn the box off then subsequent WoL packets tend to be unsuccessful.
...

I had a problem when I closed my lid the desktop did not suspend so I read this post however this did not help so what I did is to rollback now my files looks as attached below. However now I have two ...

I configure a power plan to put system into sleep in 2 minutes, and then apply the plan. I observe the system sleep time from the last keyboard or mouse input, and the results vary from 1 min 40 s to ...

On Debian Linux jessie:
After buying an UPS and installation of nut-server and nut-client at my PC and configuring the ports and the protocol, do I need to adjust time and/or percentage parameters, ...

Ways to accomplish this.
Perhaps using group policy, registry editor, windows settings, and etc.
Since windows 7 configurations differ somewhat from windows 8, the settings that worked for windows 7 ...

I have a monitor fully VESA DPMS capable. I am using Gentoo stable with XFCE.
For xscreensaver: I have the setting "Quick Power-off in Blank Only Mode" enabled.
For xscreensaver: I have the setting ...

im having some issues with my USB ports. mouse and flash drive work but Webcam and Camera have some problems.
my webcam freezes after a few seconds and in ManyCam it says please close other programs ...

This one kind of boggles my mind.
I have an audio interface (Steinberg UR-22), which was working until this morning. I've tried plugging it into every usb port on my laptop while removing all other ...

My laptop (a Lenovo Thinkpad W530 running Windows 7) regularly wakes from a sleep state in my bag, draining battery and overheating badly (even when I make a point to leave the fans unobstructed by ...